I had a 19th inch Hansg it startes to make color bars after one year.
I had the 27.5 inch I-Ink and it started to make frickles all the time after a year and a half.
they are very cheap monitors. low priced but cheap quality.
now i paid premium for a dell 27th inch, i could see the diference in the colors and black levels. and im sure it will last for more than a few years. I also have a Dell at work and its been like 7 years when the first Lcd's were on the market and it works just the same as 7 years ago.